Rehabilitation block



FIG. 1 is a perspective view of rehabilitation block, showing my new design, the broken line showing is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a rehabilitation block, as shown and described. 